| // SPDX-License-Identifier: GPL-2.0+ |
| /* |
| * Copyright (c) 2018 Ramon Fried <ramon.fried@gmail.com> |
| */ |
| |
| #define LOG_CATEGORY UCLASS_SMEM |
| |
| #include <common.h> |
| #include <dm.h> |
| #include <smem.h> |
| |
| int smem_alloc(struct udevice *dev, unsigned int host, |
| unsigned int item, size_t size) |
| { |
| struct smem_ops *ops = smem_get_ops(dev); |
| |
| if (!ops->alloc) |
| return -ENOSYS; |
| |
| return ops->alloc(host, item, size); |
| } |
| |
| void *smem_get(struct udevice *dev, unsigned int host, |
| unsigned int item, size_t *size) |
| { |
| struct smem_ops *ops = smem_get_ops(dev); |
| |
| if (!ops->get) |
| return NULL; |
| |
| return ops->get(host, item, size); |
| } |
| |
| int smem_get_free_space(struct udevice *dev, unsigned int host) |
| { |
| struct smem_ops *ops = smem_get_ops(dev); |
| |
| if (!ops->get_free_space) |
| return -ENOSYS; |
| |
| return ops->get_free_space(host); |
| } |
| |
| UCLASS_DRIVER(smem) = { |
| .id = UCLASS_SMEM, |
| .name = "smem", |
| }; |